CN209911523U - Device for detecting alternating current solenoid valve system - Google Patents
Device for detecting alternating current solenoid valve system Download PDFInfo
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- CN209911523U CN209911523U CN201920051251.0U CN201920051251U CN209911523U CN 209911523 U CN209911523 U CN 209911523U CN 201920051251 U CN201920051251 U CN 201920051251U CN 209911523 U CN209911523 U CN 209911523U
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Abstract
The utility model discloses a detect device of AC solenoid valve system, including the shell, it still including set up side by side in AC solenoid valve power supply line detection circuitry and AC solenoid valve detection circuitry in the shell, AC solenoid valve power supply line detection circuitry includes the response receipt AC electric field signal's that connects gradually from left to right signal receiving module, to the AC electric field signal that receives carry out filtering and delay the first drive module who handles filtering module, the first identification module of drive and first identification module reaches. The utility model discloses adopt non-contact detection method to alternating current solenoid valve system, can carry out troubleshooting to alternating current solenoid valve system in proper order to can reflect the testing result for the maintainer at once.
Description
Technical Field
The utility model relates to a solenoid valve detection area, in particular to detect device of exchanging solenoid valve system.
Background
The electromagnetic valve is a device controlled by electromagnetism and is an automatic basic element for controlling fluid, and the electromagnetic valve can be matched with different circuits to realize control, and the control precision and flexibility can be ensured, so the electromagnetic valve is mainly used in an industrial control system. The common electromagnetic valves on the market are three-way alternating current electromagnetic valves, and because the normal use of the electromagnetic valves is related to the daily life of people, the electromagnetic valves and electromagnetic valve power supply lines need to be regularly detected and faults need to be checked, but because the common contact type detection device detects the electromagnetic valve power supply lines in the existing detection device, the contact type detection device has the problems of difficult operation, inconvenient detection and low safety, so a device for detecting the power supply voltage of the alternating current electromagnetic valves in a non-contact manner is needed.
Disclosure of Invention
An object of the utility model is to provide a to above-mentioned problem, provide a detect device of exchanging solenoid valve system.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does:
an apparatus for testing an AC solenoid valve system includes a housing, an AC solenoid valve supply line testing circuit and an AC solenoid valve testing circuit disposed in parallel in the housing, the alternating current electromagnetic valve power supply line detection circuit comprises a signal receiving module for inducting and receiving alternating current electric field signals, a filtering module for filtering and delaying the received alternating current electric field signals, a first driving module for driving a first identification module and the first identification module which are sequentially connected from left to right, the signal receiving module comprises a receiving unit, a first conversion unit and a second conversion unit which are connected in series, the input end of the first conversion unit is connected with the receiving unit through a resistor R14, the output end of the second conversion unit is connected with the filtering module, the first and second conversion units are used for converting the slowly-changing input signals into clear and stable output signals.
Preferably, the filter module includes a first branch and a second branch connected in parallel, right connection ends of the first branch and the second branch are connected to a cathode of a diode D5, an anode of the diode D5 is connected to the first driving module, the first branch includes a resistor R10 and a diode D4 connected in sequence from left to right, the resistor R10 is connected to an anode of the diode D4, the second branch includes a resistor R12 and a diode D3 connected in sequence from left to right, and the resistor R12 is connected to a cathode of the diode D3.
Preferably, the first driving module includes a third converting unit, a fourth converting unit, a fifth converting unit, a capacitor C2, resistors R13, R11, and R5, the third converting unit, the fourth converting unit, the capacitor C2, and the resistor R13 are sequentially connected to form a closed circuit, the resistor R11 is connected between the third converting unit and the fourth converting unit and between the capacitor C2 and the resistor R13, an input end of the fifth converting unit is connected to the third converting unit and the fourth converting unit through a resistor R5, and an output end of the fifth converting unit is connected to the first recognition module.
Preferably, the first identification module comprises a resistor R13 and a first light emitting diode, and an anode of the first light emitting diode is connected with the first driving module through the resistor R13.
Preferably, the first, second, third, fourth and fifth conversion units are schmitt trigger inverters.
Preferably, the alternating current solenoid valve detection circuit comprises a second driving module, a triggering module, a voltage division module and a second identification module which are sequentially connected to form a loop, wherein the triggering module comprises a magnetic field induction switch used for inducing a magnetic field around the alternating current solenoid valve, the second identification module comprises a second light emitting diode, the anode of the second light emitting diode is connected with the voltage division module between the magnetic field induction switches, and the cathode of the second light emitting diode is connected with the second driving module between the magnetic field induction switches.
Preferably, the voltage dividing module is a radio frequency resistor.
The utility model has the advantages that: the utility model discloses it is simple reasonable, design benefit, through setting up alternating current solenoid valve power supply line detection circuitry and alternating current solenoid valve detection circuitry, adopt non-contact detection method to alternating current solenoid valve system, can carry out troubleshooting to alternating current solenoid valve system in proper order to can reflect the testing result for the maintainer at once.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an ac solenoid valve power supply line detection circuit according to the present invention;
fig. 2 is a schematic structural diagram of the detection circuit of the ac solenoid valve of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, in this embodiment, an apparatus for detecting an ac solenoid valve system includes a housing, and further includes an ac solenoid valve power supply line detection circuit and an ac solenoid valve detection circuit that are disposed in parallel in the housing, where the ac solenoid valve power supply line detection circuit includes a signal receiving module 1 that senses and receives an ac electric field signal, a filtering module 2 that filters and delays the received ac electric field signal, a first driving module 3 that drives a first identification module 4, and the first identification module 4, where the signal receiving module 1 includes a receiving unit, and a first conversion unit and a second conversion unit that are connected in series, an input end of the first conversion unit is connected to the receiving unit through a resistor R14, an output end of the second conversion unit is connected to the filtering module 2, and the first conversion unit, The second conversion unit is used for converting the slowly-changing input signal into a clear and stable output signal.
Specifically, the signal receiving module 1 is used for inductively receiving an alternating current 220V/50Hz electric field signal; the receiving unit is an induction antenna.
In this embodiment, the filtering module 2 includes a first branch and a second branch that are connected in parallel, the right connecting end of the first branch and the second branch is connected with the cathode of the diode D5, the anode of the diode D5 is connected with the first driving module 3, the first branch includes a resistor R10 and a diode D4 that are connected in sequence from left to right, the resistor R10 is connected with the anode of the diode D4, the second branch includes a resistor R12 and a diode D3 that are connected in sequence from left to right, and the resistor R12 is connected with the cathode of the diode D3.
Specifically, the model numbers of the diode D3, the diode D4 and the diode D5 are 1N 4148; the right connecting ends of the first branch and the second branch are connected with a third branch, a capacitor C1 is arranged on the third branch, and the capacitor C1 is grounded.
In this embodiment, the first driving module 3 includes a third converting unit, a fourth converting unit, a fifth converting unit, a capacitor C2, resistors R13, R11, and R5, the third converting unit, the fourth converting unit, the capacitor C2, and the resistor R13 are sequentially connected to form a closed loop, the resistor R11 is connected between the third converting unit and the fourth converting unit and between the capacitor C2 and the resistor R13, an input end of the fifth converting unit is connected to the third converting unit and the fourth converting unit through a resistor R5, and an output end of the fifth converting unit is connected to the first identifying module 4. In particular, resistor R13 may reduce the effect of ac voltage variations on the oscillation frequency.
Specifically, the driving module is a synchronous oscillator, and when the sensed ac signal gradually rises and jumps over a threshold value of the oscillator, the oscillator starts to operate and drives the first recognition module 4.
In this embodiment, the first identification module 4 includes a resistor R13 and a first light emitting diode, and an anode of the first light emitting diode is connected to the first driving module 3 through the resistor R13.
In this embodiment, the first converting unit, the second converting unit, the third converting unit, the fourth converting unit and the fifth converting unit are all schmitt trigger inverters. Specifically, the schmitt trigger inverter is model 74HC14.
In this embodiment, alternating current solenoid valve detection circuitry is including connecting gradually second drive module 5, trigger module 6, partial pressure module 7 and the second identification module 8 that forms the return circuit, trigger module 6 is including the magnetic field inductive switch that is used for responding to the magnetic field around the alternating current solenoid valve, second identification module 8 includes second emitting diode, second emitting diode positive pole with be connected with between the magnetic field inductive switch partial pressure module 7, the second emitting diode negative pole with be connected with between the magnetic field inductive switch second drive module 5.
In this embodiment, the voltage dividing module 7 is a radio frequency resistor. Specifically, the rf resistor has a resistance of 470 Ω.
A maintainer holds the device by hand and approaches the device to an alternating current electromagnetic valve power supply line, and detection is carried out in a non-contact electric field induction mode; if the first identification module 4 generates a first identification signal which flashes rapidly, the power supply line of the alternating current electromagnetic valve is normal, and the alternating current electromagnetic valve is detected; if the first identification module 4 does not have the rapidly flashing first identification signal, the power supply line of the alternating current electromagnetic valve is abnormal; a maintainer directly maintains the power supply line of the alternating current solenoid valve; the device is close to the alternating current electromagnetic valve, and detection is carried out in a non-contact electric field induction mode; if the alternating current electromagnetic valve detection circuit generates a second identification signal, the state of the alternating current electromagnetic valve is normal; if the second identification signal does not appear in the alternating current electromagnetic valve detection circuit, the state of the alternating current electromagnetic valve is abnormal, and a maintainer maintains the alternating current electromagnetic valve.
The utility model discloses it is simple reasonable, design benefit, through setting up alternating current solenoid valve power supply line detection circuitry and alternating current solenoid valve detection circuitry, adopt non-contact detection method to alternating current solenoid valve system, can carry out troubleshooting to alternating current solenoid valve system in proper order to can reflect the testing result for the maintainer at once.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. An apparatus for testing an ac solenoid valve system, comprising a housing, wherein: it still including set up side by side in alternating current solenoid valve power supply line detection circuitry and alternating current solenoid valve detection circuitry in the shell, alternating current solenoid valve power supply line detection circuitry includes the response that connects gradually from left to right and receives the signal reception module of alternating current electric field signal, to the filtering module that received alternating current electric field signal carries out filtering and delay processing, drive first identification module's first drive module reaches first identification module, signal reception module includes receiving element and the first converting unit, the second converting unit of establishing ties, first converting unit input pass through resistance R14 with the receiving element is connected, second converting unit output with filtering module connects, first, second converting unit are used for converting the input signal of slow change into clear stable output signal.
2. The apparatus of claim 1, wherein the filter module comprises a first branch and a second branch connected in parallel, right connection ends of the first branch and the second branch are connected to a cathode of a diode D5, an anode of the diode D5 is connected to the first driving module, the first branch comprises a resistor R10 and a diode D4 connected in sequence from left to right, the resistor R10 is connected to an anode of the diode D4, the second branch comprises a resistor R12 and a diode D3 connected in sequence from left to right, and the resistor R12 is connected to a cathode of the diode D3.
3. The apparatus of claim 1, wherein the first driving module comprises a third converting unit, a fourth converting unit, a fifth converting unit, a capacitor C2, resistors R13, R11, and R5, the third converting unit, the fourth converting unit, the capacitor C2, and the resistor R13 are sequentially connected to form a closed circuit, the resistor R11 is connected between the third converting unit and the fourth converting unit and between the capacitor C2 and the resistor R13, an input end of the fifth converting unit is connected to the third converting unit and the fourth converting unit through a resistor R5, and an output end of the fifth converting unit is connected to the first identifying module.
4. The apparatus for testing an ac solenoid valve system as claimed in claim 1, wherein said first identification module comprises a resistor R13 and a first led, an anode of said first led being connected to said first driver module through said resistor R13.
5. The apparatus of claim 3, wherein the first, second, third, fourth and fifth switching units are Schmitt trigger inverters.
6. The apparatus of claim 1, wherein the ac solenoid valve detecting circuit comprises a second driving module, a triggering module, a voltage dividing module, and a second identification module, which are sequentially connected to form a loop, the triggering module comprises a magnetic field sensing switch for sensing a magnetic field around the ac solenoid valve, the second identification module comprises a second light emitting diode, the voltage dividing module is connected between an anode of the second light emitting diode and the magnetic field sensing switch, and the second driving module is connected between a cathode of the second light emitting diode and the magnetic field sensing switch.
7. The apparatus for testing an ac solenoid valve system of claim 6, wherein said voltage divider module is an rf resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051251.0U CN209911523U (en) | 2019-01-14 | 2019-01-14 | Device for detecting alternating current solenoid valve system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051251.0U CN209911523U (en) | 2019-01-14 | 2019-01-14 | Device for detecting alternating current solenoid valve system |
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| CN209911523U true CN209911523U (en) | 2020-01-07 |
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| CN201920051251.0U Active CN209911523U (en) | 2019-01-14 | 2019-01-14 | Device for detecting alternating current solenoid valve system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683052A (en) * | 2019-01-14 | 2019-04-26 | 优利德科技(中国)股份有限公司 | A kind of device and method detecting alternating electromagnetic valve system |
| CN112946353A (en) * | 2021-02-05 | 2021-06-11 | 上海拿森汽车电子有限公司 | Current detection device and solenoid valve control system |
-
2019
- 2019-01-14 CN CN201920051251.0U patent/CN209911523U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683052A (en) * | 2019-01-14 | 2019-04-26 | 优利德科技(中国)股份有限公司 | A kind of device and method detecting alternating electromagnetic valve system |
| CN112946353A (en) * | 2021-02-05 | 2021-06-11 | 上海拿森汽车电子有限公司 | Current detection device and solenoid valve control system |
| CN112946353B (en) * | 2021-02-05 | 2024-04-19 | 上海拿森汽车电子有限公司 | Current detection device and electromagnetic valve control system |
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